Feature 11224V Power Supply System: Accommodates a wide range of power inputs, offering versatile usability across different scenarios and ensuring strong compatibility. 2Waterproof and Anti Fog: With waterproof and anti fog performance, delivering exceptional stability and durability even in high humidity and moist environments. 3Multiple Alarm: Equipped with alarms for low water level, high sewage level, and low voltage, providing timely reminders and ensuring the safety of the equipment. 4Colorful Backlight: Features a vibrant backlight design that enhances visibility during nighttime or in dimly lit environments, significantly improving the user experience. 5Premium Material: Constructed from robust 316 stainless steel and ABS materials, strong corrosion resistance, suitable for sewage, fresh water environments.Item Type:MarineWaterLevelGaugeMaterial:316 stainless steel + ABS .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Opening Hole Size: Approx. 250x145mm/9.84x5.71inWorking Voltage: 12-24VDCOperating Current: 70mA (24V)Working Temperature: -30~+75CStorage Temperature: -40~+85*CWaterLevelSewage MeterSignal:0~190 (factorydefault)0~180 10~180 240-33240-30Connection:1.RedLine: 9-32VDC2. PanelBlackLine: Negative pole ofpowersupply3. MeterBlackLine:SensorFunction:1. PresstheMode button (less than 1 second) to changethebacklight color: Order: Red(default) green blue white yellow yellow-green orangepurple.2.Thealarm light is set by default waterlevelmeter alarm position 1/8; Sewage meter alarm position 7/8.SwitchFunction:8 switches control 8 different devices, 8 overload protectorsprotect8 switches and 8 devices respectively.Features: 12-24V system,waterproofandantifog, colorful backlight, low waterlevelalarm, high sewage alarm, low voltage alarmPackage List1 x MarineWaterLevelGauge1 x Pack of Accessory (5 Pcs)1 x Manual